| 摘要 |
1498755 Glass fibre-reinforced vinyl resins PRODUITS CHIMIQUES UGINE KUHLMANN 12 Jan 1976 [30 Dec 1975] 01030/76 Addition to 1498450 Heading C3P An extrusion composition comprises 100 parts by weight of a vinyl resin of viscosity index of 50-180; 10-60 parts by weight per 100 parts polymer of a mineral filler of mean diameter 0À05 to 50 microns; 1-5 parts by weight of at least one lubricant; 5-40 parts by weight of glass fibres and 5-25 parts by weight of glass balls of diameter 0À005-0À080 mm. In an example the composition comprises PVC, ABS resin, styrene-acrylonitrile copolymer, dibasic lead phosphite, dibasic lead stearate, calcium stearate, hydroxystearic acid, polyethylene wax, calcium carbonate, glass balls and glass fibres. |
